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| <pre><span class="sourceLineNo">001</span><a id="line.1">/*</a> |
| <span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one</a> |
| <span class="sourceLineNo">003</span><a id="line.3"> * or more contributor license agreements. See the NOTICE file</a> |
| <span class="sourceLineNo">004</span><a id="line.4"> * distributed with this work for additional information</a> |
| <span class="sourceLineNo">005</span><a id="line.5"> * regarding copyright ownership. The ASF licenses this file</a> |
| <span class="sourceLineNo">006</span><a id="line.6"> * to you under the Apache License, Version 2.0 (the</a> |
| <span class="sourceLineNo">007</span><a id="line.7"> * "License"); you may not use this file except in compliance</a> |
| <span class="sourceLineNo">008</span><a id="line.8"> * with the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">009</span><a id="line.9"> *</a> |
| <span class="sourceLineNo">010</span><a id="line.10"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">011</span><a id="line.11"> *</a> |
| <span class="sourceLineNo">012</span><a id="line.12"> * Unless required by applicable law or agreed to in writing,</a> |
| <span class="sourceLineNo">013</span><a id="line.13"> * software distributed under the License is distributed on an</a> |
| <span class="sourceLineNo">014</span><a id="line.14"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</a> |
| <span class="sourceLineNo">015</span><a id="line.15"> * KIND, either express or implied. See the License for the</a> |
| <span class="sourceLineNo">016</span><a id="line.16"> * specific language governing permissions and limitations</a> |
| <span class="sourceLineNo">017</span><a id="line.17"> * under the License.</a> |
| <span class="sourceLineNo">018</span><a id="line.18"> */</a> |
| <span class="sourceLineNo">019</span><a id="line.19">package org.apache.shiro.subject.support;</a> |
| <span class="sourceLineNo">020</span><a id="line.20"></a> |
| <span class="sourceLineNo">021</span><a id="line.21">import org.apache.shiro.authc.AuthenticationException;</a> |
| <span class="sourceLineNo">022</span><a id="line.22">import org.apache.shiro.authc.AuthenticationToken;</a> |
| <span class="sourceLineNo">023</span><a id="line.23">import org.apache.shiro.authc.HostAuthenticationToken;</a> |
| <span class="sourceLineNo">024</span><a id="line.24">import org.apache.shiro.authz.AuthorizationException;</a> |
| <span class="sourceLineNo">025</span><a id="line.25">import org.apache.shiro.authz.Permission;</a> |
| <span class="sourceLineNo">026</span><a id="line.26">import org.apache.shiro.authz.UnauthenticatedException;</a> |
| <span class="sourceLineNo">027</span><a id="line.27">import org.apache.shiro.mgt.SecurityManager;</a> |
| <span class="sourceLineNo">028</span><a id="line.28">import org.apache.shiro.session.InvalidSessionException;</a> |
| <span class="sourceLineNo">029</span><a id="line.29">import org.apache.shiro.session.ProxiedSession;</a> |
| <span class="sourceLineNo">030</span><a id="line.30">import org.apache.shiro.session.Session;</a> |
| <span class="sourceLineNo">031</span><a id="line.31">import org.apache.shiro.session.SessionException;</a> |
| <span class="sourceLineNo">032</span><a id="line.32">import org.apache.shiro.session.mgt.DefaultSessionContext;</a> |
| <span class="sourceLineNo">033</span><a id="line.33">import org.apache.shiro.session.mgt.SessionContext;</a> |
| <span class="sourceLineNo">034</span><a id="line.34">import org.apache.shiro.subject.ExecutionException;</a> |
| <span class="sourceLineNo">035</span><a id="line.35">import org.apache.shiro.subject.PrincipalCollection;</a> |
| <span class="sourceLineNo">036</span><a id="line.36">import org.apache.shiro.subject.Subject;</a> |
| <span class="sourceLineNo">037</span><a id="line.37">import org.apache.shiro.util.CollectionUtils;</a> |
| <span class="sourceLineNo">038</span><a id="line.38">import org.apache.shiro.util.StringUtils;</a> |
| <span class="sourceLineNo">039</span><a id="line.39">import org.slf4j.Logger;</a> |
| <span class="sourceLineNo">040</span><a id="line.40">import org.slf4j.LoggerFactory;</a> |
| <span class="sourceLineNo">041</span><a id="line.41"></a> |
| <span class="sourceLineNo">042</span><a id="line.42">import java.util.Collection;</a> |
| <span class="sourceLineNo">043</span><a id="line.43">import java.util.List;</a> |
| <span class="sourceLineNo">044</span><a id="line.44">import java.util.concurrent.Callable;</a> |
| <span class="sourceLineNo">045</span><a id="line.45">import java.util.concurrent.CopyOnWriteArrayList;</a> |
| <span class="sourceLineNo">046</span><a id="line.46"></a> |
| <span class="sourceLineNo">047</span><a id="line.47">/**</a> |
| <span class="sourceLineNo">048</span><a id="line.48"> * Implementation of the {@code Subject} interface that delegates</a> |
| <span class="sourceLineNo">049</span><a id="line.49"> * method calls to an underlying {@link org.apache.shiro.mgt.SecurityManager SecurityManager} instance for security checks.</a> |
| <span class="sourceLineNo">050</span><a id="line.50"> * It is essentially a {@code SecurityManager} proxy.</a> |
| <span class="sourceLineNo">051</span><a id="line.51"> * <p/></a> |
| <span class="sourceLineNo">052</span><a id="line.52"> * This implementation does not maintain state such as roles and permissions (only {@code Subject}</a> |
| <span class="sourceLineNo">053</span><a id="line.53"> * {@link #getPrincipals() principals}, such as usernames or user primary keys) for better performance in a stateless</a> |
| <span class="sourceLineNo">054</span><a id="line.54"> * architecture. It instead asks the underlying {@code SecurityManager} every time to perform</a> |
| <span class="sourceLineNo">055</span><a id="line.55"> * the authorization check.</a> |
| <span class="sourceLineNo">056</span><a id="line.56"> * <p/></a> |
| <span class="sourceLineNo">057</span><a id="line.57"> * A common misconception in using this implementation is that an EIS resource (RDBMS, etc) would</a> |
| <span class="sourceLineNo">058</span><a id="line.58"> * be &quot;hit&quot; every time a method is called. This is not necessarily the case and is</a> |
| <span class="sourceLineNo">059</span><a id="line.59"> * up to the implementation of the underlying {@code SecurityManager} instance. If caching of authorization</a> |
| <span class="sourceLineNo">060</span><a id="line.60"> * data is desired (to eliminate EIS round trips and therefore improve database performance), it is considered</a> |
| <span class="sourceLineNo">061</span><a id="line.61"> * much more elegant to let the underlying {@code SecurityManager} implementation or its delegate components</a> |
| <span class="sourceLineNo">062</span><a id="line.62"> * manage caching, not this class. A {@code SecurityManager} is considered a business-tier component,</a> |
| <span class="sourceLineNo">063</span><a id="line.63"> * where caching strategies are better managed.</a> |
| <span class="sourceLineNo">064</span><a id="line.64"> * <p/></a> |
| <span class="sourceLineNo">065</span><a id="line.65"> * Applications from large and clustered to simple and JVM-local all benefit from</a> |
| <span class="sourceLineNo">066</span><a id="line.66"> * stateless architectures. This implementation plays a part in the stateless programming</a> |
| <span class="sourceLineNo">067</span><a id="line.67"> * paradigm and should be used whenever possible.</a> |
| <span class="sourceLineNo">068</span><a id="line.68"> *</a> |
| <span class="sourceLineNo">069</span><a id="line.69"> * @since 0.1</a> |
| <span class="sourceLineNo">070</span><a id="line.70"> */</a> |
| <span class="sourceLineNo">071</span><a id="line.71">public class DelegatingSubject implements Subject {</a> |
| <span class="sourceLineNo">072</span><a id="line.72"></a> |
| <span class="sourceLineNo">073</span><a id="line.73"> private static final Logger log = LoggerFactory.getLogger(DelegatingSubject.class);</a> |
| <span class="sourceLineNo">074</span><a id="line.74"></a> |
| <span class="sourceLineNo">075</span><a id="line.75"> private static final String RUN_AS_PRINCIPALS_SESSION_KEY =</a> |
| <span class="sourceLineNo">076</span><a id="line.76"> DelegatingSubject.class.getName() + ".RUN_AS_PRINCIPALS_SESSION_KEY";</a> |
| <span class="sourceLineNo">077</span><a id="line.77"></a> |
| <span class="sourceLineNo">078</span><a id="line.78"> protected PrincipalCollection principals;</a> |
| <span class="sourceLineNo">079</span><a id="line.79"> protected boolean authenticated;</a> |
| <span class="sourceLineNo">080</span><a id="line.80"> protected String host;</a> |
| <span class="sourceLineNo">081</span><a id="line.81"> protected Session session;</a> |
| <span class="sourceLineNo">082</span><a id="line.82"> /**</a> |
| <span class="sourceLineNo">083</span><a id="line.83"> * @since 1.2</a> |
| <span class="sourceLineNo">084</span><a id="line.84"> */</a> |
| <span class="sourceLineNo">085</span><a id="line.85"> protected boolean sessionCreationEnabled;</a> |
| <span class="sourceLineNo">086</span><a id="line.86"></a> |
| <span class="sourceLineNo">087</span><a id="line.87"> protected transient SecurityManager securityManager;</a> |
| <span class="sourceLineNo">088</span><a id="line.88"></a> |
| <span class="sourceLineNo">089</span><a id="line.89"> public DelegatingSubject(SecurityManager securityManager) {</a> |
| <span class="sourceLineNo">090</span><a id="line.90"> this(null, false, null, null, securityManager);</a> |
| <span class="sourceLineNo">091</span><a id="line.91"> }</a> |
| <span class="sourceLineNo">092</span><a id="line.92"></a> |
| <span class="sourceLineNo">093</span><a id="line.93"> public DelegatingSubject(PrincipalCollection principals, boolean authenticated, String host,</a> |
| <span class="sourceLineNo">094</span><a id="line.94"> Session session, SecurityManager securityManager) {</a> |
| <span class="sourceLineNo">095</span><a id="line.95"> this(principals, authenticated, host, session, true, securityManager);</a> |
| <span class="sourceLineNo">096</span><a id="line.96"> }</a> |
| <span class="sourceLineNo">097</span><a id="line.97"></a> |
| <span class="sourceLineNo">098</span><a id="line.98"> //since 1.2</a> |
| <span class="sourceLineNo">099</span><a id="line.99"> public DelegatingSubject(PrincipalCollection principals, boolean authenticated, String host,</a> |
| <span class="sourceLineNo">100</span><a id="line.100"> Session session, boolean sessionCreationEnabled, SecurityManager securityManager) {</a> |
| <span class="sourceLineNo">101</span><a id="line.101"> if (securityManager == null) {</a> |
| <span class="sourceLineNo">102</span><a id="line.102"> throw new IllegalArgumentException("SecurityManager argument cannot be null.");</a> |
| <span class="sourceLineNo">103</span><a id="line.103"> }</a> |
| <span class="sourceLineNo">104</span><a id="line.104"> this.securityManager = securityManager;</a> |
| <span class="sourceLineNo">105</span><a id="line.105"> this.principals = principals;</a> |
| <span class="sourceLineNo">106</span><a id="line.106"> this.authenticated = authenticated;</a> |
| <span class="sourceLineNo">107</span><a id="line.107"> this.host = host;</a> |
| <span class="sourceLineNo">108</span><a id="line.108"> if (session != null) {</a> |
| <span class="sourceLineNo">109</span><a id="line.109"> this.session = decorate(session);</a> |
| <span class="sourceLineNo">110</span><a id="line.110"> }</a> |
| <span class="sourceLineNo">111</span><a id="line.111"> this.sessionCreationEnabled = sessionCreationEnabled;</a> |
| <span class="sourceLineNo">112</span><a id="line.112"> }</a> |
| <span class="sourceLineNo">113</span><a id="line.113"></a> |
| <span class="sourceLineNo">114</span><a id="line.114"> protected Session decorate(Session session) {</a> |
| <span class="sourceLineNo">115</span><a id="line.115"> if (session == null) {</a> |
| <span class="sourceLineNo">116</span><a id="line.116"> throw new IllegalArgumentException("session cannot be null");</a> |
| <span class="sourceLineNo">117</span><a id="line.117"> }</a> |
| <span class="sourceLineNo">118</span><a id="line.118"> return new StoppingAwareProxiedSession(session, this);</a> |
| <span class="sourceLineNo">119</span><a id="line.119"> }</a> |
| <span class="sourceLineNo">120</span><a id="line.120"></a> |
| <span class="sourceLineNo">121</span><a id="line.121"> public SecurityManager getSecurityManager() {</a> |
| <span class="sourceLineNo">122</span><a id="line.122"> return securityManager;</a> |
| <span class="sourceLineNo">123</span><a id="line.123"> }</a> |
| <span class="sourceLineNo">124</span><a id="line.124"></a> |
| <span class="sourceLineNo">125</span><a id="line.125"> private static boolean isEmpty(PrincipalCollection pc) {</a> |
| <span class="sourceLineNo">126</span><a id="line.126"> return pc == null || pc.isEmpty();</a> |
| <span class="sourceLineNo">127</span><a id="line.127"> }</a> |
| <span class="sourceLineNo">128</span><a id="line.128"></a> |
| <span class="sourceLineNo">129</span><a id="line.129"> protected boolean hasPrincipals() {</a> |
| <span class="sourceLineNo">130</span><a id="line.130"> return !isEmpty(getPrincipals());</a> |
| <span class="sourceLineNo">131</span><a id="line.131"> }</a> |
| <span class="sourceLineNo">132</span><a id="line.132"></a> |
| <span class="sourceLineNo">133</span><a id="line.133"> /**</a> |
| <span class="sourceLineNo">134</span><a id="line.134"> * Returns the host name or IP associated with the client who created/is interacting with this Subject.</a> |
| <span class="sourceLineNo">135</span><a id="line.135"> *</a> |
| <span class="sourceLineNo">136</span><a id="line.136"> * @return the host name or IP associated with the client who created/is interacting with this Subject.</a> |
| <span class="sourceLineNo">137</span><a id="line.137"> */</a> |
| <span class="sourceLineNo">138</span><a id="line.138"> public String getHost() {</a> |
| <span class="sourceLineNo">139</span><a id="line.139"> return this.host;</a> |
| <span class="sourceLineNo">140</span><a id="line.140"> }</a> |
| <span class="sourceLineNo">141</span><a id="line.141"></a> |
| <span class="sourceLineNo">142</span><a id="line.142"> private Object getPrimaryPrincipal(PrincipalCollection principals) {</a> |
| <span class="sourceLineNo">143</span><a id="line.143"> if (!isEmpty(principals)) {</a> |
| <span class="sourceLineNo">144</span><a id="line.144"> return principals.getPrimaryPrincipal();</a> |
| <span class="sourceLineNo">145</span><a id="line.145"> }</a> |
| <span class="sourceLineNo">146</span><a id="line.146"> return null;</a> |
| <span class="sourceLineNo">147</span><a id="line.147"> }</a> |
| <span class="sourceLineNo">148</span><a id="line.148"></a> |
| <span class="sourceLineNo">149</span><a id="line.149"> /**</a> |
| <span class="sourceLineNo">150</span><a id="line.150"> * @see Subject#getPrincipal()</a> |
| <span class="sourceLineNo">151</span><a id="line.151"> */</a> |
| <span class="sourceLineNo">152</span><a id="line.152"> public Object getPrincipal() {</a> |
| <span class="sourceLineNo">153</span><a id="line.153"> return getPrimaryPrincipal(getPrincipals());</a> |
| <span class="sourceLineNo">154</span><a id="line.154"> }</a> |
| <span class="sourceLineNo">155</span><a id="line.155"></a> |
| <span class="sourceLineNo">156</span><a id="line.156"> public PrincipalCollection getPrincipals() {</a> |
| <span class="sourceLineNo">157</span><a id="line.157"> List<PrincipalCollection> runAsPrincipals = getRunAsPrincipalsStack();</a> |
| <span class="sourceLineNo">158</span><a id="line.158"> return CollectionUtils.isEmpty(runAsPrincipals) ? this.principals : runAsPrincipals.get(0);</a> |
| <span class="sourceLineNo">159</span><a id="line.159"> }</a> |
| <span class="sourceLineNo">160</span><a id="line.160"></a> |
| <span class="sourceLineNo">161</span><a id="line.161"> public boolean isPermitted(String permission) {</a> |
| <span class="sourceLineNo">162</span><a id="line.162"> return hasPrincipals() && securityManager.isPermitted(getPrincipals(), permission);</a> |
| <span class="sourceLineNo">163</span><a id="line.163"> }</a> |
| <span class="sourceLineNo">164</span><a id="line.164"></a> |
| <span class="sourceLineNo">165</span><a id="line.165"> public boolean isPermitted(Permission permission) {</a> |
| <span class="sourceLineNo">166</span><a id="line.166"> return hasPrincipals() && securityManager.isPermitted(getPrincipals(), permission);</a> |
| <span class="sourceLineNo">167</span><a id="line.167"> }</a> |
| <span class="sourceLineNo">168</span><a id="line.168"></a> |
| <span class="sourceLineNo">169</span><a id="line.169"> public boolean[] isPermitted(String... permissions) {</a> |
| <span class="sourceLineNo">170</span><a id="line.170"> if (hasPrincipals()) {</a> |
| <span class="sourceLineNo">171</span><a id="line.171"> return securityManager.isPermitted(getPrincipals(), permissions);</a> |
| <span class="sourceLineNo">172</span><a id="line.172"> } else {</a> |
| <span class="sourceLineNo">173</span><a id="line.173"> return new boolean[permissions.length];</a> |
| <span class="sourceLineNo">174</span><a id="line.174"> }</a> |
| <span class="sourceLineNo">175</span><a id="line.175"> }</a> |
| <span class="sourceLineNo">176</span><a id="line.176"></a> |
| <span class="sourceLineNo">177</span><a id="line.177"> public boolean[] isPermitted(List<Permission> permissions) {</a> |
| <span class="sourceLineNo">178</span><a id="line.178"> if (hasPrincipals()) {</a> |
| <span class="sourceLineNo">179</span><a id="line.179"> return securityManager.isPermitted(getPrincipals(), permissions);</a> |
| <span class="sourceLineNo">180</span><a id="line.180"> } else {</a> |
| <span class="sourceLineNo">181</span><a id="line.181"> return new boolean[permissions.size()];</a> |
| <span class="sourceLineNo">182</span><a id="line.182"> }</a> |
| <span class="sourceLineNo">183</span><a id="line.183"> }</a> |
| <span class="sourceLineNo">184</span><a id="line.184"></a> |
| <span class="sourceLineNo">185</span><a id="line.185"> public boolean isPermittedAll(String... permissions) {</a> |
| <span class="sourceLineNo">186</span><a id="line.186"> return hasPrincipals() && securityManager.isPermittedAll(getPrincipals(), permissions);</a> |
| <span class="sourceLineNo">187</span><a id="line.187"> }</a> |
| <span class="sourceLineNo">188</span><a id="line.188"></a> |
| <span class="sourceLineNo">189</span><a id="line.189"> public boolean isPermittedAll(Collection<Permission> permissions) {</a> |
| <span class="sourceLineNo">190</span><a id="line.190"> return hasPrincipals() && securityManager.isPermittedAll(getPrincipals(), permissions);</a> |
| <span class="sourceLineNo">191</span><a id="line.191"> }</a> |
| <span class="sourceLineNo">192</span><a id="line.192"></a> |
| <span class="sourceLineNo">193</span><a id="line.193"> protected void assertAuthzCheckPossible() throws AuthorizationException {</a> |
| <span class="sourceLineNo">194</span><a id="line.194"> if (!hasPrincipals()) {</a> |
| <span class="sourceLineNo">195</span><a id="line.195"> String msg = "This subject is anonymous - it does not have any identifying principals and " +</a> |
| <span class="sourceLineNo">196</span><a id="line.196"> "authorization operations require an identity to check against. A Subject instance will " +</a> |
| <span class="sourceLineNo">197</span><a id="line.197"> "acquire these identifying principals automatically after a successful login is performed " +</a> |
| <span class="sourceLineNo">198</span><a id="line.198"> "be executing " + Subject.class.getName() + ".login(AuthenticationToken) or when 'Remember Me' " +</a> |
| <span class="sourceLineNo">199</span><a id="line.199"> "functionality is enabled by the SecurityManager. This exception can also occur when a " +</a> |
| <span class="sourceLineNo">200</span><a id="line.200"> "previously logged-in Subject has logged out which " +</a> |
| <span class="sourceLineNo">201</span><a id="line.201"> "makes it anonymous again. Because an identity is currently not known due to any of these " +</a> |
| <span class="sourceLineNo">202</span><a id="line.202"> "conditions, authorization is denied.";</a> |
| <span class="sourceLineNo">203</span><a id="line.203"> throw new UnauthenticatedException(msg);</a> |
| <span class="sourceLineNo">204</span><a id="line.204"> }</a> |
| <span class="sourceLineNo">205</span><a id="line.205"> }</a> |
| <span class="sourceLineNo">206</span><a id="line.206"></a> |
| <span class="sourceLineNo">207</span><a id="line.207"> public void checkPermission(String permission) throws AuthorizationException {</a> |
| <span class="sourceLineNo">208</span><a id="line.208"> assertAuthzCheckPossible();</a> |
| <span class="sourceLineNo">209</span><a id="line.209"> securityManager.checkPermission(getPrincipals(), permission);</a> |
| <span class="sourceLineNo">210</span><a id="line.210"> }</a> |
| <span class="sourceLineNo">211</span><a id="line.211"></a> |
| <span class="sourceLineNo">212</span><a id="line.212"> public void checkPermission(Permission permission) throws AuthorizationException {</a> |
| <span class="sourceLineNo">213</span><a id="line.213"> assertAuthzCheckPossible();</a> |
| <span class="sourceLineNo">214</span><a id="line.214"> securityManager.checkPermission(getPrincipals(), permission);</a> |
| <span class="sourceLineNo">215</span><a id="line.215"> }</a> |
| <span class="sourceLineNo">216</span><a id="line.216"></a> |
| <span class="sourceLineNo">217</span><a id="line.217"> public void checkPermissions(String... permissions) throws AuthorizationException {</a> |
| <span class="sourceLineNo">218</span><a id="line.218"> assertAuthzCheckPossible();</a> |
| <span class="sourceLineNo">219</span><a id="line.219"> securityManager.checkPermissions(getPrincipals(), permissions);</a> |
| <span class="sourceLineNo">220</span><a id="line.220"> }</a> |
| <span class="sourceLineNo">221</span><a id="line.221"></a> |
| <span class="sourceLineNo">222</span><a id="line.222"> public void checkPermissions(Collection<Permission> permissions) throws AuthorizationException {</a> |
| <span class="sourceLineNo">223</span><a id="line.223"> assertAuthzCheckPossible();</a> |
| <span class="sourceLineNo">224</span><a id="line.224"> securityManager.checkPermissions(getPrincipals(), permissions);</a> |
| <span class="sourceLineNo">225</span><a id="line.225"> }</a> |
| <span class="sourceLineNo">226</span><a id="line.226"></a> |
| <span class="sourceLineNo">227</span><a id="line.227"> public boolean hasRole(String roleIdentifier) {</a> |
| <span class="sourceLineNo">228</span><a id="line.228"> return hasPrincipals() && securityManager.hasRole(getPrincipals(), roleIdentifier);</a> |
| <span class="sourceLineNo">229</span><a id="line.229"> }</a> |
| <span class="sourceLineNo">230</span><a id="line.230"></a> |
| <span class="sourceLineNo">231</span><a id="line.231"> public boolean[] hasRoles(List<String> roleIdentifiers) {</a> |
| <span class="sourceLineNo">232</span><a id="line.232"> if (hasPrincipals()) {</a> |
| <span class="sourceLineNo">233</span><a id="line.233"> return securityManager.hasRoles(getPrincipals(), roleIdentifiers);</a> |
| <span class="sourceLineNo">234</span><a id="line.234"> } else {</a> |
| <span class="sourceLineNo">235</span><a id="line.235"> return new boolean[roleIdentifiers.size()];</a> |
| <span class="sourceLineNo">236</span><a id="line.236"> }</a> |
| <span class="sourceLineNo">237</span><a id="line.237"> }</a> |
| <span class="sourceLineNo">238</span><a id="line.238"></a> |
| <span class="sourceLineNo">239</span><a id="line.239"> public boolean hasAllRoles(Collection<String> roleIdentifiers) {</a> |
| <span class="sourceLineNo">240</span><a id="line.240"> return hasPrincipals() && securityManager.hasAllRoles(getPrincipals(), roleIdentifiers);</a> |
| <span class="sourceLineNo">241</span><a id="line.241"> }</a> |
| <span class="sourceLineNo">242</span><a id="line.242"></a> |
| <span class="sourceLineNo">243</span><a id="line.243"> public void checkRole(String role) throws AuthorizationException {</a> |
| <span class="sourceLineNo">244</span><a id="line.244"> assertAuthzCheckPossible();</a> |
| <span class="sourceLineNo">245</span><a id="line.245"> securityManager.checkRole(getPrincipals(), role);</a> |
| <span class="sourceLineNo">246</span><a id="line.246"> }</a> |
| <span class="sourceLineNo">247</span><a id="line.247"></a> |
| <span class="sourceLineNo">248</span><a id="line.248"> public void checkRoles(String... roleIdentifiers) throws AuthorizationException {</a> |
| <span class="sourceLineNo">249</span><a id="line.249"> assertAuthzCheckPossible();</a> |
| <span class="sourceLineNo">250</span><a id="line.250"> securityManager.checkRoles(getPrincipals(), roleIdentifiers);</a> |
| <span class="sourceLineNo">251</span><a id="line.251"> }</a> |
| <span class="sourceLineNo">252</span><a id="line.252"></a> |
| <span class="sourceLineNo">253</span><a id="line.253"> public void checkRoles(Collection<String> roles) throws AuthorizationException {</a> |
| <span class="sourceLineNo">254</span><a id="line.254"> assertAuthzCheckPossible();</a> |
| <span class="sourceLineNo">255</span><a id="line.255"> securityManager.checkRoles(getPrincipals(), roles);</a> |
| <span class="sourceLineNo">256</span><a id="line.256"> }</a> |
| <span class="sourceLineNo">257</span><a id="line.257"></a> |
| <span class="sourceLineNo">258</span><a id="line.258"> public void login(AuthenticationToken token) throws AuthenticationException {</a> |
| <span class="sourceLineNo">259</span><a id="line.259"> clearRunAsIdentitiesInternal();</a> |
| <span class="sourceLineNo">260</span><a id="line.260"> Subject subject = securityManager.login(this, token);</a> |
| <span class="sourceLineNo">261</span><a id="line.261"></a> |
| <span class="sourceLineNo">262</span><a id="line.262"> PrincipalCollection principals;</a> |
| <span class="sourceLineNo">263</span><a id="line.263"></a> |
| <span class="sourceLineNo">264</span><a id="line.264"> String host = null;</a> |
| <span class="sourceLineNo">265</span><a id="line.265"></a> |
| <span class="sourceLineNo">266</span><a id="line.266"> if (subject instanceof DelegatingSubject) {</a> |
| <span class="sourceLineNo">267</span><a id="line.267"> DelegatingSubject delegating = (DelegatingSubject) subject;</a> |
| <span class="sourceLineNo">268</span><a id="line.268"> //we have to do this in case there are assumed identities - we don't want to lose the 'real' principals:</a> |
| <span class="sourceLineNo">269</span><a id="line.269"> principals = delegating.principals;</a> |
| <span class="sourceLineNo">270</span><a id="line.270"> host = delegating.host;</a> |
| <span class="sourceLineNo">271</span><a id="line.271"> } else {</a> |
| <span class="sourceLineNo">272</span><a id="line.272"> principals = subject.getPrincipals();</a> |
| <span class="sourceLineNo">273</span><a id="line.273"> }</a> |
| <span class="sourceLineNo">274</span><a id="line.274"></a> |
| <span class="sourceLineNo">275</span><a id="line.275"> if (principals == null || principals.isEmpty()) {</a> |
| <span class="sourceLineNo">276</span><a id="line.276"> String msg = "Principals returned from securityManager.login( token ) returned a null or " +</a> |
| <span class="sourceLineNo">277</span><a id="line.277"> "empty value. This value must be non null and populated with one or more elements.";</a> |
| <span class="sourceLineNo">278</span><a id="line.278"> throw new IllegalStateException(msg);</a> |
| <span class="sourceLineNo">279</span><a id="line.279"> }</a> |
| <span class="sourceLineNo">280</span><a id="line.280"> this.principals = principals;</a> |
| <span class="sourceLineNo">281</span><a id="line.281"> this.authenticated = true;</a> |
| <span class="sourceLineNo">282</span><a id="line.282"> if (token instanceof HostAuthenticationToken) {</a> |
| <span class="sourceLineNo">283</span><a id="line.283"> host = ((HostAuthenticationToken) token).getHost();</a> |
| <span class="sourceLineNo">284</span><a id="line.284"> }</a> |
| <span class="sourceLineNo">285</span><a id="line.285"> if (host != null) {</a> |
| <span class="sourceLineNo">286</span><a id="line.286"> this.host = host;</a> |
| <span class="sourceLineNo">287</span><a id="line.287"> }</a> |
| <span class="sourceLineNo">288</span><a id="line.288"> Session session = subject.getSession(false);</a> |
| <span class="sourceLineNo">289</span><a id="line.289"> if (session != null) {</a> |
| <span class="sourceLineNo">290</span><a id="line.290"> this.session = decorate(session);</a> |
| <span class="sourceLineNo">291</span><a id="line.291"> } else {</a> |
| <span class="sourceLineNo">292</span><a id="line.292"> this.session = null;</a> |
| <span class="sourceLineNo">293</span><a id="line.293"> }</a> |
| <span class="sourceLineNo">294</span><a id="line.294"> }</a> |
| <span class="sourceLineNo">295</span><a id="line.295"></a> |
| <span class="sourceLineNo">296</span><a id="line.296"> public boolean isAuthenticated() {</a> |
| <span class="sourceLineNo">297</span><a id="line.297"> return authenticated && hasPrincipals();</a> |
| <span class="sourceLineNo">298</span><a id="line.298"> }</a> |
| <span class="sourceLineNo">299</span><a id="line.299"></a> |
| <span class="sourceLineNo">300</span><a id="line.300"> public boolean isRemembered() {</a> |
| <span class="sourceLineNo">301</span><a id="line.301"> PrincipalCollection principals = getPrincipals();</a> |
| <span class="sourceLineNo">302</span><a id="line.302"> return principals != null && !principals.isEmpty() && !isAuthenticated();</a> |
| <span class="sourceLineNo">303</span><a id="line.303"> }</a> |
| <span class="sourceLineNo">304</span><a id="line.304"></a> |
| <span class="sourceLineNo">305</span><a id="line.305"> /**</a> |
| <span class="sourceLineNo">306</span><a id="line.306"> * Returns {@code true} if this Subject is allowed to create sessions, {@code false} otherwise.</a> |
| <span class="sourceLineNo">307</span><a id="line.307"> *</a> |
| <span class="sourceLineNo">308</span><a id="line.308"> * @return {@code true} if this Subject is allowed to create sessions, {@code false} otherwise.</a> |
| <span class="sourceLineNo">309</span><a id="line.309"> * @since 1.2</a> |
| <span class="sourceLineNo">310</span><a id="line.310"> */</a> |
| <span class="sourceLineNo">311</span><a id="line.311"> protected boolean isSessionCreationEnabled() {</a> |
| <span class="sourceLineNo">312</span><a id="line.312"> return this.sessionCreationEnabled;</a> |
| <span class="sourceLineNo">313</span><a id="line.313"> }</a> |
| <span class="sourceLineNo">314</span><a id="line.314"></a> |
| <span class="sourceLineNo">315</span><a id="line.315"> public Session getSession() {</a> |
| <span class="sourceLineNo">316</span><a id="line.316"> return getSession(true);</a> |
| <span class="sourceLineNo">317</span><a id="line.317"> }</a> |
| <span class="sourceLineNo">318</span><a id="line.318"></a> |
| <span class="sourceLineNo">319</span><a id="line.319"> public Session getSession(boolean create) {</a> |
| <span class="sourceLineNo">320</span><a id="line.320"> if (log.isTraceEnabled()) {</a> |
| <span class="sourceLineNo">321</span><a id="line.321"> log.trace("attempting to get session; create = " + create +</a> |
| <span class="sourceLineNo">322</span><a id="line.322"> "; session is null = " + (this.session == null) +</a> |
| <span class="sourceLineNo">323</span><a id="line.323"> "; session has id = " + (this.session != null && session.getId() != null));</a> |
| <span class="sourceLineNo">324</span><a id="line.324"> }</a> |
| <span class="sourceLineNo">325</span><a id="line.325"></a> |
| <span class="sourceLineNo">326</span><a id="line.326"> if (this.session == null && create) {</a> |
| <span class="sourceLineNo">327</span><a id="line.327"></a> |
| <span class="sourceLineNo">328</span><a id="line.328"> //added in 1.2:</a> |
| <span class="sourceLineNo">329</span><a id="line.329"> if (!isSessionCreationEnabled()) {</a> |
| <span class="sourceLineNo">330</span><a id="line.330"> String msg = "Session creation has been disabled for the current subject. This exception indicates " +</a> |
| <span class="sourceLineNo">331</span><a id="line.331"> "that there is either a programming error (using a session when it should never be " +</a> |
| <span class="sourceLineNo">332</span><a id="line.332"> "used) or that Shiro's configuration needs to be adjusted to allow Sessions to be created " +</a> |
| <span class="sourceLineNo">333</span><a id="line.333"> "for the current Subject. See the " + DisabledSessionException.class.getName() + " JavaDoc " +</a> |
| <span class="sourceLineNo">334</span><a id="line.334"> "for more.";</a> |
| <span class="sourceLineNo">335</span><a id="line.335"> throw new DisabledSessionException(msg);</a> |
| <span class="sourceLineNo">336</span><a id="line.336"> }</a> |
| <span class="sourceLineNo">337</span><a id="line.337"></a> |
| <span class="sourceLineNo">338</span><a id="line.338"> log.trace("Starting session for host {}", getHost());</a> |
| <span class="sourceLineNo">339</span><a id="line.339"> SessionContext sessionContext = createSessionContext();</a> |
| <span class="sourceLineNo">340</span><a id="line.340"> Session session = this.securityManager.start(sessionContext);</a> |
| <span class="sourceLineNo">341</span><a id="line.341"> this.session = decorate(session);</a> |
| <span class="sourceLineNo">342</span><a id="line.342"> }</a> |
| <span class="sourceLineNo">343</span><a id="line.343"> return this.session;</a> |
| <span class="sourceLineNo">344</span><a id="line.344"> }</a> |
| <span class="sourceLineNo">345</span><a id="line.345"></a> |
| <span class="sourceLineNo">346</span><a id="line.346"> protected SessionContext createSessionContext() {</a> |
| <span class="sourceLineNo">347</span><a id="line.347"> SessionContext sessionContext = new DefaultSessionContext();</a> |
| <span class="sourceLineNo">348</span><a id="line.348"> if (StringUtils.hasText(host)) {</a> |
| <span class="sourceLineNo">349</span><a id="line.349"> sessionContext.setHost(host);</a> |
| <span class="sourceLineNo">350</span><a id="line.350"> }</a> |
| <span class="sourceLineNo">351</span><a id="line.351"> return sessionContext;</a> |
| <span class="sourceLineNo">352</span><a id="line.352"> }</a> |
| <span class="sourceLineNo">353</span><a id="line.353"></a> |
| <span class="sourceLineNo">354</span><a id="line.354"> private void clearRunAsIdentitiesInternal() {</a> |
| <span class="sourceLineNo">355</span><a id="line.355"> //try/catch added for SHIRO-298</a> |
| <span class="sourceLineNo">356</span><a id="line.356"> try {</a> |
| <span class="sourceLineNo">357</span><a id="line.357"> clearRunAsIdentities();</a> |
| <span class="sourceLineNo">358</span><a id="line.358"> } catch (SessionException se) {</a> |
| <span class="sourceLineNo">359</span><a id="line.359"> log.debug("Encountered session exception trying to clear 'runAs' identities during logout. This " +</a> |
| <span class="sourceLineNo">360</span><a id="line.360"> "can generally safely be ignored.", se);</a> |
| <span class="sourceLineNo">361</span><a id="line.361"> }</a> |
| <span class="sourceLineNo">362</span><a id="line.362"> }</a> |
| <span class="sourceLineNo">363</span><a id="line.363"></a> |
| <span class="sourceLineNo">364</span><a id="line.364"> public void logout() {</a> |
| <span class="sourceLineNo">365</span><a id="line.365"> try {</a> |
| <span class="sourceLineNo">366</span><a id="line.366"> clearRunAsIdentitiesInternal();</a> |
| <span class="sourceLineNo">367</span><a id="line.367"> this.securityManager.logout(this);</a> |
| <span class="sourceLineNo">368</span><a id="line.368"> } finally {</a> |
| <span class="sourceLineNo">369</span><a id="line.369"> this.session = null;</a> |
| <span class="sourceLineNo">370</span><a id="line.370"> this.principals = null;</a> |
| <span class="sourceLineNo">371</span><a id="line.371"> this.authenticated = false;</a> |
| <span class="sourceLineNo">372</span><a id="line.372"> //Don't set securityManager to null here - the Subject can still be</a> |
| <span class="sourceLineNo">373</span><a id="line.373"> //used, it is just considered anonymous at this point. The SecurityManager instance is</a> |
| <span class="sourceLineNo">374</span><a id="line.374"> //necessary if the subject would log in again or acquire a new session. This is in response to</a> |
| <span class="sourceLineNo">375</span><a id="line.375"> //https://issues.apache.org/jira/browse/JSEC-22</a> |
| <span class="sourceLineNo">376</span><a id="line.376"> //this.securityManager = null;</a> |
| <span class="sourceLineNo">377</span><a id="line.377"> }</a> |
| <span class="sourceLineNo">378</span><a id="line.378"> }</a> |
| <span class="sourceLineNo">379</span><a id="line.379"></a> |
| <span class="sourceLineNo">380</span><a id="line.380"> private void sessionStopped() {</a> |
| <span class="sourceLineNo">381</span><a id="line.381"> this.session = null;</a> |
| <span class="sourceLineNo">382</span><a id="line.382"> }</a> |
| <span class="sourceLineNo">383</span><a id="line.383"></a> |
| <span class="sourceLineNo">384</span><a id="line.384"> public <V> V execute(Callable<V> callable) throws ExecutionException {</a> |
| <span class="sourceLineNo">385</span><a id="line.385"> Callable<V> associated = associateWith(callable);</a> |
| <span class="sourceLineNo">386</span><a id="line.386"> try {</a> |
| <span class="sourceLineNo">387</span><a id="line.387"> return associated.call();</a> |
| <span class="sourceLineNo">388</span><a id="line.388"> } catch (Throwable t) {</a> |
| <span class="sourceLineNo">389</span><a id="line.389"> throw new ExecutionException(t);</a> |
| <span class="sourceLineNo">390</span><a id="line.390"> }</a> |
| <span class="sourceLineNo">391</span><a id="line.391"> }</a> |
| <span class="sourceLineNo">392</span><a id="line.392"></a> |
| <span class="sourceLineNo">393</span><a id="line.393"> public void execute(Runnable runnable) {</a> |
| <span class="sourceLineNo">394</span><a id="line.394"> Runnable associated = associateWith(runnable);</a> |
| <span class="sourceLineNo">395</span><a id="line.395"> associated.run();</a> |
| <span class="sourceLineNo">396</span><a id="line.396"> }</a> |
| <span class="sourceLineNo">397</span><a id="line.397"></a> |
| <span class="sourceLineNo">398</span><a id="line.398"> public <V> Callable<V> associateWith(Callable<V> callable) {</a> |
| <span class="sourceLineNo">399</span><a id="line.399"> return new SubjectCallable<V>(this, callable);</a> |
| <span class="sourceLineNo">400</span><a id="line.400"> }</a> |
| <span class="sourceLineNo">401</span><a id="line.401"></a> |
| <span class="sourceLineNo">402</span><a id="line.402"> public Runnable associateWith(Runnable runnable) {</a> |
| <span class="sourceLineNo">403</span><a id="line.403"> if (runnable instanceof Thread) {</a> |
| <span class="sourceLineNo">404</span><a id="line.404"> String msg = "This implementation does not support Thread arguments because of JDK ThreadLocal " +</a> |
| <span class="sourceLineNo">405</span><a id="line.405"> "inheritance mechanisms required by Shiro. Instead, the method argument should be a non-Thread " +</a> |
| <span class="sourceLineNo">406</span><a id="line.406"> "Runnable and the return value from this method can then be given to an ExecutorService or " +</a> |
| <span class="sourceLineNo">407</span><a id="line.407"> "another Thread.";</a> |
| <span class="sourceLineNo">408</span><a id="line.408"> throw new UnsupportedOperationException(msg);</a> |
| <span class="sourceLineNo">409</span><a id="line.409"> }</a> |
| <span class="sourceLineNo">410</span><a id="line.410"> return new SubjectRunnable(this, runnable);</a> |
| <span class="sourceLineNo">411</span><a id="line.411"> }</a> |
| <span class="sourceLineNo">412</span><a id="line.412"></a> |
| <span class="sourceLineNo">413</span><a id="line.413"> private class StoppingAwareProxiedSession extends ProxiedSession {</a> |
| <span class="sourceLineNo">414</span><a id="line.414"></a> |
| <span class="sourceLineNo">415</span><a id="line.415"> private final DelegatingSubject owner;</a> |
| <span class="sourceLineNo">416</span><a id="line.416"></a> |
| <span class="sourceLineNo">417</span><a id="line.417"> private StoppingAwareProxiedSession(Session target, DelegatingSubject owningSubject) {</a> |
| <span class="sourceLineNo">418</span><a id="line.418"> super(target);</a> |
| <span class="sourceLineNo">419</span><a id="line.419"> owner = owningSubject;</a> |
| <span class="sourceLineNo">420</span><a id="line.420"> }</a> |
| <span class="sourceLineNo">421</span><a id="line.421"></a> |
| <span class="sourceLineNo">422</span><a id="line.422"> public void stop() throws InvalidSessionException {</a> |
| <span class="sourceLineNo">423</span><a id="line.423"> super.stop();</a> |
| <span class="sourceLineNo">424</span><a id="line.424"> owner.sessionStopped();</a> |
| <span class="sourceLineNo">425</span><a id="line.425"> }</a> |
| <span class="sourceLineNo">426</span><a id="line.426"> }</a> |
| <span class="sourceLineNo">427</span><a id="line.427"></a> |
| <span class="sourceLineNo">428</span><a id="line.428"></a> |
| <span class="sourceLineNo">429</span><a id="line.429"> // ======================================</a> |
| <span class="sourceLineNo">430</span><a id="line.430"> // 'Run As' support implementations</a> |
| <span class="sourceLineNo">431</span><a id="line.431"> // ======================================</a> |
| <span class="sourceLineNo">432</span><a id="line.432"></a> |
| <span class="sourceLineNo">433</span><a id="line.433"> public void runAs(PrincipalCollection principals) {</a> |
| <span class="sourceLineNo">434</span><a id="line.434"> if (!hasPrincipals()) {</a> |
| <span class="sourceLineNo">435</span><a id="line.435"> String msg = "This subject does not yet have an identity. Assuming the identity of another " +</a> |
| <span class="sourceLineNo">436</span><a id="line.436"> "Subject is only allowed for Subjects with an existing identity. Try logging this subject in " +</a> |
| <span class="sourceLineNo">437</span><a id="line.437"> "first, or using the " + Subject.Builder.class.getName() + " to build ad hoc Subject instances " +</a> |
| <span class="sourceLineNo">438</span><a id="line.438"> "with identities as necessary.";</a> |
| <span class="sourceLineNo">439</span><a id="line.439"> throw new IllegalStateException(msg);</a> |
| <span class="sourceLineNo">440</span><a id="line.440"> }</a> |
| <span class="sourceLineNo">441</span><a id="line.441"> pushIdentity(principals);</a> |
| <span class="sourceLineNo">442</span><a id="line.442"> }</a> |
| <span class="sourceLineNo">443</span><a id="line.443"></a> |
| <span class="sourceLineNo">444</span><a id="line.444"> public boolean isRunAs() {</a> |
| <span class="sourceLineNo">445</span><a id="line.445"> List<PrincipalCollection> stack = getRunAsPrincipalsStack();</a> |
| <span class="sourceLineNo">446</span><a id="line.446"> return !CollectionUtils.isEmpty(stack);</a> |
| <span class="sourceLineNo">447</span><a id="line.447"> }</a> |
| <span class="sourceLineNo">448</span><a id="line.448"></a> |
| <span class="sourceLineNo">449</span><a id="line.449"> public PrincipalCollection getPreviousPrincipals() {</a> |
| <span class="sourceLineNo">450</span><a id="line.450"> PrincipalCollection previousPrincipals = null;</a> |
| <span class="sourceLineNo">451</span><a id="line.451"> List<PrincipalCollection> stack = getRunAsPrincipalsStack();</a> |
| <span class="sourceLineNo">452</span><a id="line.452"> int stackSize = stack != null ? stack.size() : 0;</a> |
| <span class="sourceLineNo">453</span><a id="line.453"> if (stackSize > 0) {</a> |
| <span class="sourceLineNo">454</span><a id="line.454"> if (stackSize == 1) {</a> |
| <span class="sourceLineNo">455</span><a id="line.455"> previousPrincipals = this.principals;</a> |
| <span class="sourceLineNo">456</span><a id="line.456"> } else {</a> |
| <span class="sourceLineNo">457</span><a id="line.457"> //always get the one behind the current:</a> |
| <span class="sourceLineNo">458</span><a id="line.458"> assert stack != null;</a> |
| <span class="sourceLineNo">459</span><a id="line.459"> previousPrincipals = stack.get(1);</a> |
| <span class="sourceLineNo">460</span><a id="line.460"> }</a> |
| <span class="sourceLineNo">461</span><a id="line.461"> }</a> |
| <span class="sourceLineNo">462</span><a id="line.462"> return previousPrincipals;</a> |
| <span class="sourceLineNo">463</span><a id="line.463"> }</a> |
| <span class="sourceLineNo">464</span><a id="line.464"></a> |
| <span class="sourceLineNo">465</span><a id="line.465"> public PrincipalCollection releaseRunAs() {</a> |
| <span class="sourceLineNo">466</span><a id="line.466"> return popIdentity();</a> |
| <span class="sourceLineNo">467</span><a id="line.467"> }</a> |
| <span class="sourceLineNo">468</span><a id="line.468"></a> |
| <span class="sourceLineNo">469</span><a id="line.469"> @SuppressWarnings("unchecked")</a> |
| <span class="sourceLineNo">470</span><a id="line.470"> private List<PrincipalCollection> getRunAsPrincipalsStack() {</a> |
| <span class="sourceLineNo">471</span><a id="line.471"> Session session = getSession(false);</a> |
| <span class="sourceLineNo">472</span><a id="line.472"> if (session != null) {</a> |
| <span class="sourceLineNo">473</span><a id="line.473"> return (List<PrincipalCollection>) session.getAttribute(RUN_AS_PRINCIPALS_SESSION_KEY);</a> |
| <span class="sourceLineNo">474</span><a id="line.474"> }</a> |
| <span class="sourceLineNo">475</span><a id="line.475"> return null;</a> |
| <span class="sourceLineNo">476</span><a id="line.476"> }</a> |
| <span class="sourceLineNo">477</span><a id="line.477"></a> |
| <span class="sourceLineNo">478</span><a id="line.478"> private void clearRunAsIdentities() {</a> |
| <span class="sourceLineNo">479</span><a id="line.479"> Session session = getSession(false);</a> |
| <span class="sourceLineNo">480</span><a id="line.480"> if (session != null) {</a> |
| <span class="sourceLineNo">481</span><a id="line.481"> session.removeAttribute(RUN_AS_PRINCIPALS_SESSION_KEY);</a> |
| <span class="sourceLineNo">482</span><a id="line.482"> }</a> |
| <span class="sourceLineNo">483</span><a id="line.483"> }</a> |
| <span class="sourceLineNo">484</span><a id="line.484"></a> |
| <span class="sourceLineNo">485</span><a id="line.485"> private void pushIdentity(PrincipalCollection principals) throws NullPointerException {</a> |
| <span class="sourceLineNo">486</span><a id="line.486"> if (isEmpty(principals)) {</a> |
| <span class="sourceLineNo">487</span><a id="line.487"> String msg = "Specified Subject principals cannot be null or empty for 'run as' functionality.";</a> |
| <span class="sourceLineNo">488</span><a id="line.488"> throw new NullPointerException(msg);</a> |
| <span class="sourceLineNo">489</span><a id="line.489"> }</a> |
| <span class="sourceLineNo">490</span><a id="line.490"> List<PrincipalCollection> stack = getRunAsPrincipalsStack();</a> |
| <span class="sourceLineNo">491</span><a id="line.491"> if (stack == null) {</a> |
| <span class="sourceLineNo">492</span><a id="line.492"> stack = new CopyOnWriteArrayList<PrincipalCollection>();</a> |
| <span class="sourceLineNo">493</span><a id="line.493"> }</a> |
| <span class="sourceLineNo">494</span><a id="line.494"> stack.add(0, principals);</a> |
| <span class="sourceLineNo">495</span><a id="line.495"> Session session = getSession();</a> |
| <span class="sourceLineNo">496</span><a id="line.496"> session.setAttribute(RUN_AS_PRINCIPALS_SESSION_KEY, stack);</a> |
| <span class="sourceLineNo">497</span><a id="line.497"> }</a> |
| <span class="sourceLineNo">498</span><a id="line.498"></a> |
| <span class="sourceLineNo">499</span><a id="line.499"> private PrincipalCollection popIdentity() {</a> |
| <span class="sourceLineNo">500</span><a id="line.500"> PrincipalCollection popped = null;</a> |
| <span class="sourceLineNo">501</span><a id="line.501"></a> |
| <span class="sourceLineNo">502</span><a id="line.502"> List<PrincipalCollection> stack = getRunAsPrincipalsStack();</a> |
| <span class="sourceLineNo">503</span><a id="line.503"> if (!CollectionUtils.isEmpty(stack)) {</a> |
| <span class="sourceLineNo">504</span><a id="line.504"> popped = stack.remove(0);</a> |
| <span class="sourceLineNo">505</span><a id="line.505"> Session session;</a> |
| <span class="sourceLineNo">506</span><a id="line.506"> if (!CollectionUtils.isEmpty(stack)) {</a> |
| <span class="sourceLineNo">507</span><a id="line.507"> //persist the changed stack to the session</a> |
| <span class="sourceLineNo">508</span><a id="line.508"> session = getSession();</a> |
| <span class="sourceLineNo">509</span><a id="line.509"> session.setAttribute(RUN_AS_PRINCIPALS_SESSION_KEY, stack);</a> |
| <span class="sourceLineNo">510</span><a id="line.510"> } else {</a> |
| <span class="sourceLineNo">511</span><a id="line.511"> //stack is empty, remove it from the session:</a> |
| <span class="sourceLineNo">512</span><a id="line.512"> clearRunAsIdentities();</a> |
| <span class="sourceLineNo">513</span><a id="line.513"> }</a> |
| <span class="sourceLineNo">514</span><a id="line.514"> }</a> |
| <span class="sourceLineNo">515</span><a id="line.515"></a> |
| <span class="sourceLineNo">516</span><a id="line.516"> return popped;</a> |
| <span class="sourceLineNo">517</span><a id="line.517"> }</a> |
| <span class="sourceLineNo">518</span><a id="line.518">}</a> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
